LG EW5G-V Series 55" Full HD Transparent OLED Signage Display - Manual (Page 27)

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OLED Image sticking
• Since after-image can occur when a specific fixed screen is used for a long time, to reduce after-images, it is
recommended not to exceed the recommended daily operation time set for the screen size and to display the video
content with a small number of fixed characters or logos.
Recommended daily operation time (55 inches: 18 hours, 65 inches: 12 hours)
• A few horizontal lines may appear on the screens while running the [Clear Panel Noise] feature. This is normal, so
there is no need for concern. If the power is turned on or a power failure occurs while the [Clear Panel Noise] feature
is running, the feature may not work properly.
• Turn the power on five minutes after running the [Clear Panel Noise] feature.
• The external speakers connected to the product may make a sound while you are running the [Clear Panel Noise]
feature.
• [Clear Panel Noise]: Correct issues that may arise on the screen when it is turned on for a long period of time.
• Use the [Screen Protection Mode Setting] feature in [OLED Panel Settings] to effectively prevent the formation of an
after-image.
Image sticking
• After-image appears when the product is turned off.
- If you use a fixed image for a long time, the pixels may be damaged. Use the screen-saver function.
- When a dark image is displayed on the screen after an image with high contrast (black and white or gray), this may
cause image sticking. This is normal for display products.
• When the LCD panel displays a static image for an extended period of time, it can cause a voltage difference between
the electrodes that operate the liquid crystals. When the voltage difference between the electrodes builds up over
time, liquid crystals have a tendency to remain aligned in one direction. During this process, a previously displayed
image remains visible. This phenomenon is referred to as image sticking.
• Image sticking does not occur when using constantly changing images but may occur when using a fixed image for an
extended period of time. Therefore, it is recommended that you use the instructions below to decrease the likelihood
of image sticking occurring when using a fixed image. It is recommended that you change the screen at least once
every 12 hours at the very minimum; if done more frequently, the prevention of image sticking is more effective.